CN203811370U - Complex and compliant mechanism deformation precision test device - Google Patents
Complex and compliant mechanism deformation precision test device Download PDFInfo
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- CN203811370U CN203811370U CN201420179832.XU CN201420179832U CN203811370U CN 203811370 U CN203811370 U CN 203811370U CN 201420179832 U CN201420179832 U CN 201420179832U CN 203811370 U CN203811370 U CN 203811370U
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- adjustment unit
- compliant mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 70
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 230000007704 transition Effects 0.000 claims abstract description 22
- 239000000523 sample Substances 0.000 claims description 9
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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Abstract
The utility model relates to a complex and compliant mechanism deformation precision test device. The test device comprises a z-axis adjustment unit, a tested compliant mechanism unit, a contact detection unit and a test piece macro motion adjustment unit. The z-axis adjustment unit is connected with a side plate. The tested compliant mechanism unit is installed at the lower end of the transition connecting piece a of the z-axis adjustment unit. The test piece macro motion adjustment unit is connected with the pedestal. The contact detection unit is installed on the test piece macro motion adjustment unit through a transition connecting piece. The test device is advantageous in that: precise measurement of complex and compliant mechanism deformation can be achieved, and new technological means are provided for design and analysis of a compliant mechanism widely applied in the fields of precision positioning, precision processing, microscopic operation, micro-clamping and the like.
Description
Technical field
The utility model relates to a kind of complicated compliant mechanism distortion precise testing device, be used in the precision measurement that the fields such as precision positioning, Precision Machining, micromanipulation, micro-clamping have the distortion of the compliant mechanism of widespread use, for its design and analysis provides new technological means.
Background technology
Compliant mechanism has a wide range of applications in fields such as ultraprecise processing, micromanipulation, scanning system, micro nanometer mechanics test, micro-clampings.The design and analysis of compliant mechanism has vital role for its practical function.In practice, the method for theoretical analysis method, finite elements calculation and test is conventionally combined together, is applied to design and the parameter optimization of compliant mechanism, to design specific compliant mechanism, meets specific application scenario.
For the simple compliant mechanism with single hinge (just round hinge, oval hinge, V-type hinge, right angle hinge etc.) structure, researchist has carried out a large amount of theoretical research work, has set up the theoretical analysis system of comparatively perfect at present.But, for some particular application, need design to there is complexity, the mixing compliant mechanism of the motion transformational structure of many hinge arrangements or length.In this case, the output characteristics that obtains complexity, mixing compliant mechanism by theoretical analysis is more difficult, often needs given a large amount of simplification and hypothesis, causes theoretical analysis result output characteristics actual with it inconsistent.On the other hand, consider that these complexity, mixing compliant mechanism often have multiple degree of freedom movement outputs or have hunt effect output, directly carry out precision measurement to its kinetic characteristic by existing displacement transducer also more difficult.Therefore,, for the deformation measurement problem of these complexity, mixing compliant mechanism, need to set up more accurate theory or develop more accurate research technique.
Summary of the invention
The purpose of this utility model is to provide a kind of complicated compliant mechanism distortion precise testing device, the problems referred to above that prior art exists are solved, realize the precision measurement to complicated compliant mechanism distortion, provide new technological means for the design and analysis in fields such as precision positioning, Precision Machining, micromanipulation, micro-clampings with the compliant mechanism of widespread use.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
Complicated compliant mechanism distortion precise testing device, comprises
zaxial adjustment unit, tested compliant mechanism unit, contact probe unit, the grand moving adjustment unit of test specimen, described in
zaxial adjustment unit is connected with side plate 2 by screw, and tested compliant mechanism unit is arranged on by screw
zthe transition piece a4 lower end of axial adjustment unit, the grand moving adjustment unit of test specimen is connected with base 1 by screw, and contact probe unit is arranged on the grand moving adjustment unit of test specimen by transition piece b13.
Described
zaxial adjustment unit comprises
zthe grand moving adjusting mechanism 3 of axle and transition piece a4, realize edge, tested compliant mechanism unit
zthe adjustment up and down of axle.
Described tested compliant mechanism unit comprises mixed structure hinge 5, piezoelectric stack 6, pressure head mount pad 7, lock-screw 8 and brale 9, and described mixed structure hinge 5 is arranged on by screw
zlower end, axial adjustment unit, piezoelectric stack 6 is arranged on by voussoir pretension in the groove of mixed structure hinge 5, pressure head mount pad 7 sticks in mixed structure hinge 5 output terminal one sides by melt paraffin, and brale 9 is arranged in pressure head mount pad 7 through holes by lock-screw 8.
Described contact probe unit comprises test specimen 10, objective table 11, power sensor 12 and transition piece b13, described test specimen 10 sticks in objective table 11 upper surfaces by melt paraffin, objective table 11 is connected with power sensor 12 upper ends by screw thread, it is upper that power sensor 12 is arranged on transition piece b13 by its lower end threaded rod, and transition piece b13 is arranged on the grand moving adjustment unit of test specimen upper end by screw.
The grand moving adjustment unit of described test specimen by
ygrand moving adjusting mechanism 14 Hes of axle
xthe grand moving adjusting mechanism 15 of axle forms.
The beneficial effects of the utility model are: the proving installation providing by the utility model, can realize compliant mechanism, distortion precision measurement and the Output Characteristic of the compliant mechanism that particularly there is the compliant mechanism of labyrinth or there is the compliant mechanism of multiple degrees of freedom output or comprise hunt effect output etc., and then instruct for the design and optimization of compliant mechanism provides test figure.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and illustrative example of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.
Fig. 1 is complicated compliant mechanism distortion precise testing device structural representation of the present utility model;
Fig. 2 is tested compliant mechanism of the present utility model unit schematic top plan view.
In figure: in figure: 1, base; 2, side plate; 3,
zthe grand moving adjusting mechanism of axle; 4, transition piece a; 5, mixed structure hinge; 6, piezoelectric stack; 7, pressure head mount pad; 8, lock-screw; 9, brale; 10, test specimen; 11, objective table; 12, power sensor; 13, transition piece b; 14,
ythe grand moving adjusting mechanism of axle; 15,
xthe grand moving adjusting mechanism of axle.
Embodiment
Further illustrate detailed content of the present utility model and embodiment thereof below in conjunction with accompanying drawing.
Shown in Fig. 1 and Fig. 2, complicated compliant mechanism distortion precise testing device of the present utility model, comprises
zaxial adjustment unit, tested compliant mechanism unit, contact probe unit, the grand moving adjustment unit of test specimen, described in
zaxial adjustment unit is connected with side plate 2 by screw, and tested compliant mechanism unit is arranged on by screw
zthe transition piece a4 lower end of axial adjustment unit, the grand moving adjustment unit of test specimen is connected with base 1 by screw, and contact probe unit is arranged on the grand moving adjustment unit of test specimen by transition piece b13.
Described
zaxial adjustment unit comprises
zthe grand moving adjusting mechanism 3 of axle and transition piece a4, realize edge, tested compliant mechanism unit
zthe adjustment up and down of axle.
Described tested compliant mechanism unit comprises mixed structure hinge 5, piezoelectric stack 6, pressure head mount pad 7, lock-screw 8 and brale 9, and described mixed structure hinge 5 is arranged on by screw
zlower end, axial adjustment unit, piezoelectric stack 6 is arranged on by voussoir pretension in the groove of mixed structure hinge 5, pressure head mount pad 7 sticks in mixed structure hinge 5 output terminal one sides by melt paraffin, and brale 9 is arranged in pressure head mount pad 7 through holes by lock-screw 8.
Described contact probe unit comprises test specimen 10, objective table 11, power sensor 12 and transition piece b13, described test specimen 10 sticks in objective table 11 upper surfaces by melt paraffin, objective table 11 is connected with power sensor 12 upper ends by screw thread, it is upper that power sensor 12 is arranged on transition piece b13 by its lower end threaded rod, and transition piece b13 is arranged on the grand moving adjustment unit of test specimen upper end by screw.
The grand moving adjustment unit of described test specimen by
ygrand moving adjusting mechanism 14 Hes of axle
xthe grand moving adjusting mechanism 15 of axle forms.
The hinge of mixed structure shown in Fig. 25 is a kind of complicated compliant mechanisms with bridge-type structure for amplifying and lever amplification structure.What lever amplification structure caused rotatablely move makes the complicated compliant mechanism of this type have hunt effect at its output terminal, finally causes by displacement transducer, its output characteristics directly being carried out accurately measuring and having difficulties.Fundamental purpose of the present utility model namely realizes the accurate measurement to this kind of complicated compliant mechanism deformation characteristic.For this reason, utilize near melt paraffin adhesion pressure head mount pad 7 mixed structure hinge 5 output terminals, and brale 9 is arranged in its center pit, now, brale 9 has identical displacement output characteristics with mixed structure hinge 5.Measure the displacement output characteristics of brale 9, can obtain the kinetic characteristic of mixed structure hinge 5 output terminals.
Realize the precision measurement to brale 9 displacement output characteristics by following testing procedure:
A) test specimen 10 is passed through to melt paraffin adhesion objective table 11 upper surfaces, adjust
ythe grand moving adjusting mechanism 14 of axle,
xgrand moving adjusting mechanism 15 Hes of axle
zthe grand moving adjusting mechanism 3 of axle makes test specimen 10 in the positive lower end of brale 9.
B) adjust
zthe grand moving adjusting mechanism 3 of axle, makes brale 9 approach test specimen surface, utilizes power sensor 12 registrations to change and judge contacting of brale 9 and test specimen surface, in the time that contact load is about 100mN, stops adjustment
zthe grand moving adjusting mechanism 3 of axle, adjusts afterwards in the other direction
zthe grand moving adjusting mechanism 3 of axle, makes brale 9 depart from test specimen 10 surfaces, now forms a remaining impression on test specimen 10 surfaces.Adjust
ythe grand moving adjusting mechanism 14 of axle make test specimen 10 along
yaxle motion certain distance, repeats above-mentioned steps afterwards, on test specimen surface along
yaxle forms three remaining impressions.
C) in the time carrying out the 4th impression point, keep the 100mN contact load between brale 9 and test specimen 10, apply driving voltage to afterwards piezoelectric stack 6, now piezoelectric stack extends, drive mixed structure hinge 5 to be out of shape, make to produce relative sliding between brale 9 and test specimen 10, thereby form a cut on test specimen 10 surfaces.
D) adjust in the other direction
zthe grand moving adjusting mechanism 3 of axle, makes brale 9 depart from test specimen 10 surfaces, utilizes afterwards microscope to observe test specimen 10 surfaces, obtains remaining cut pattern.
E) utilize three remaining impression patterns that obtain in step b) to determine
yaxle, and according to proving installation coordinate system, set up on test specimen 10 surfaces
x-
ycoordinate system, and then according to the remaining cut morphology analysis brale 9 displacement output characteristics that obtain, obtain mixed structure hinge 5 output terminal edges
xaxle and
ythe kinetic characteristic of axle.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All any amendments that the utility model is done, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a complicated compliant mechanism distortion precise testing device, is characterized in that: comprise
zaxial adjustment unit, tested compliant mechanism unit, contact probe unit, the grand moving adjustment unit of test specimen, described in
zaxial adjustment unit is connected with side plate (2) by screw, and tested compliant mechanism unit is arranged on by screw
zthe transition piece a(4 of axial adjustment unit) lower end, the grand moving adjustment unit of test specimen is connected with base (1) by screw, contact probe unit is by transition piece b(13) be arranged on the grand moving adjustment unit of test specimen.
2. complicated compliant mechanism distortion precise testing device according to claim 1, is characterized in that: described
zaxial adjustment unit comprises
zthe grand moving adjusting mechanism of axle (3) and transition piece a(4), realize edge, tested compliant mechanism unit
zthe adjustment up and down of axle.
3. complicated compliant mechanism distortion precise testing device according to claim 1, it is characterized in that: described tested compliant mechanism unit comprises mixed structure hinge (5), piezoelectric stack (6), pressure head mount pad (7), lock-screw (8) and brale (9), and described mixed structure hinge (5) is arranged on by screw
zlower end, axial adjustment unit, piezoelectric stack (6) is arranged on by voussoir pretension in the groove of mixed structure hinge (5), pressure head mount pad (7) sticks in mixed structure hinge (5) output terminal one side by melt paraffin, and brale (9) is arranged in pressure head mount pad (7) through hole by lock-screw (8).
4. complicated compliant mechanism distortion precise testing device according to claim 1, it is characterized in that: described contact probe unit comprises test specimen (10), objective table (11), power sensor (12) and transition piece b(13), described test specimen (10) sticks in objective table (11) upper surface by melt paraffin, objective table (11) is connected with power sensor (12) upper end by screw thread, power sensor (12) is arranged on transition piece b(13 by its lower end threaded rod) on, transition piece b(13) be arranged on the grand moving adjustment unit of test specimen upper end by screw.
5. complicated compliant mechanism distortion precise testing device according to claim 1, is characterized in that: the grand moving adjustment unit of described test specimen by
ythe grand moving adjusting mechanism of axle (14) and
xthe grand moving adjusting mechanism of axle (15) composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179832.XU CN203811370U (en) | 2014-04-14 | 2014-04-14 | Complex and compliant mechanism deformation precision test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179832.XU CN203811370U (en) | 2014-04-14 | 2014-04-14 | Complex and compliant mechanism deformation precision test device |
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| Publication Number | Publication Date |
|---|---|
| CN203811370U true CN203811370U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179832.XU Expired - Lifetime CN203811370U (en) | 2014-04-14 | 2014-04-14 | Complex and compliant mechanism deformation precision test device |
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| Country | Link |
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| CN (1) | CN203811370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913305A (en) * | 2014-04-14 | 2014-07-09 | 吉林大学 | Complex compliant mechanism deformation precision test equipment and measuring method |
| CN112051043A (en) * | 2020-08-28 | 2020-12-08 | 江西理工大学 | Fatigue test system for compliant mechanism |
-
2014
- 2014-04-14 CN CN201420179832.XU patent/CN203811370U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913305A (en) * | 2014-04-14 | 2014-07-09 | 吉林大学 | Complex compliant mechanism deformation precision test equipment and measuring method |
| CN112051043A (en) * | 2020-08-28 | 2020-12-08 | 江西理工大学 | Fatigue test system for compliant mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |